[wxWidgets.git] / src / mac / display.cpp

/////////////////////////////////////////////////////////////////////////////
// Name:        display.cpp
// Purpose:     Mac implementation of wxDisplay class
// Author:      Brian Victor
// Modified by: Royce Mitchell III & Ryan Norton
// Created:     06/21/02
// RCS-ID:      $Id$
// Copyright:   (c) wxWindows team
// Licence:     wxWindows licence
/////////////////////////////////////////////////////////////////////////////

#ifdef __GNUG__
    #pragma implementation "display.h"
#endif

// For compilers that support precompilation, includes "wx.h".
#include "wx/wxprec.h"

#ifdef __BORLANDC__
    #pragma hdrstop
#endif

#if wxUSE_DISPLAY

#ifndef WX_PRECOMP
   #include "wx/dynarray.h"
   #include "wx/log.h"
#endif

#ifdef __DARWIN__
    #include <Carbon/Carbon.h>
#else
    #include <Displays.h>
    #include <Quickdraw.h>
    #include <Video.h>  //for VDSwitchInfoRec
#endif

#include "wx/display.h"
#include "wx/gdicmn.h"
#include "wx/string.h"

// ----------------------------------------------------------------------------
// private classes
// ----------------------------------------------------------------------------

class wxDisplayMacPriv
{
public:
    GDHandle m_hndl;
};

size_t wxDisplayBase::GetCount()
{
    GDHandle hndl;
    size_t num = 0;
    hndl = DMGetFirstScreenDevice(true);
    while(hndl)
    {
        num++;
        hndl = DMGetNextScreenDevice(hndl, true);
    }
    return num;
}

int wxDisplayBase::GetFromPoint(const wxPoint &p)
{
    GDHandle hndl;
    size_t num = 0;
    hndl = DMGetFirstScreenDevice(true);
    while(hndl)
    {
        Rect screenrect = (*hndl)->gdRect;
        if (p.x >= screenrect.left &&
            p.x <= screenrect.right &&
            p.y >= screenrect.top &&
            p.y <= screenrect.bottom)
        {
            return num;
        }
        num++;
        hndl = DMGetNextScreenDevice(hndl, true);
    }
    return -1;
}

wxDisplay::wxDisplay(size_t index) : wxDisplayBase ( index ),
    m_priv ( new wxDisplayMacPriv() )
{
    GDHandle hndl;
    hndl = DMGetFirstScreenDevice(true);
    m_priv->m_hndl = NULL;
    while(hndl)
    {
        if (index == 0)
        {
            m_priv->m_hndl = hndl;
        }
        index--;
        hndl = DMGetNextScreenDevice(hndl, true);
    }
}

wxRect wxDisplay::GetGeometry() const
{
    if (!(m_priv)) return wxRect(0, 0, 0, 0);
    if (!(m_priv->m_hndl)) return wxRect(0, 0, 0, 0);
    Rect screenrect = (*(m_priv->m_hndl))->gdRect;
    return wxRect( screenrect.left, screenrect.top, 
                   screenrect.right - screenrect.left, screenrect.bottom - screenrect.top);
}

int wxDisplay::GetDepth() const
{
    if (!(m_priv)) return 0;
    if (!(m_priv->m_hndl)) return 0;

    // This cryptic looking code is based on Apple's sample code:
    // http://developer.apple.com/samplecode/Sample_Code/Graphics_2D/GDevVideo/Gen.cp.htm

    //RN - according to the docs
	//gdPMap is a bitmap-type representation of the GDevice, and all
	//0x0000FFFF does is get the lower 16 bits of pixelSize.  However,
	//since pixelSize is only 16 bits (a short)...
    return ((*(*(m_priv->m_hndl))->gdPMap)->pixelSize) & 0x0000FFFF;
}

wxString wxDisplay::GetName() const
{
    // Macs don't name their displays...
    return wxEmptyString;
}

struct DMModeIteratorRec
{
	wxArrayVideoModes* pModes;
	const wxVideoMode* pMatchMode;
};

pascal void DMModeListIteratorProc (	void* pData,
			      DMListIndexType nIndex,
			      DMDisplayModeListEntryPtr pInfo)
{
    DMModeIteratorRec* pInfoData = (DMModeIteratorRec*) pData;

	//Note that in testing the refresh rate is always 0 on my ibook - RN
    int refresh = (int) Fix2Long(pInfo->displayModeResolutionInfo->csRefreshRate);

	for(unsigned long i = 0; i < pInfo->displayModeDepthBlockInfo->depthBlockCount; ++i)
	{
#define pDBI pInfo->displayModeDepthBlockInfo->depthVPBlock[i].depthVPBlock

		if (wxVideoMode((int) pInfo->displayModeResolutionInfo->csHorizontalPixels,
				  (int) pInfo->displayModeResolutionInfo->csVerticalLines,
				  (int) pDBI->vpPixelSize,
				  refresh).Matches(*pInfoData->pMatchMode) )
			{
			pInfoData->pModes->Add(wxVideoMode((int) pInfo->displayModeResolutionInfo->csHorizontalPixels,
						   (int) pInfo->displayModeResolutionInfo->csVerticalLines,
						   (int) pDBI->vpPixelSize,
						   refresh));			
			}
#undef pDBI
	}
}

struct DMModeInfoRec
{
	const wxVideoMode* pMode;
	VDSwitchInfoRec sMode;
	bool bMatched;
};

pascal void DMModeInfoProc (	void* pData,
							  DMListIndexType nIndex,
							  DMDisplayModeListEntryPtr pInfo)
{
	DMModeInfoRec* pInfoData = (DMModeInfoRec*) pData;
	Fixed refresh = Long2Fix(pInfoData->pMode->refresh);

	for(unsigned long i = 0; i < pInfo->displayModeDepthBlockInfo->depthBlockCount; ++i)
		{
#define pDBI pInfo->displayModeDepthBlockInfo->depthVPBlock[i].depthVPBlock
		    if (pInfoData->pMode->w == (int&) pInfo->displayModeResolutionInfo->csHorizontalPixels &&
		        pInfoData->pMode->h == (int&) pInfo->displayModeResolutionInfo->csVerticalLines &&
		        pInfoData->pMode->bpp == (int) pDBI->vpPixelSize &&
		        refresh == pInfo->displayModeResolutionInfo->csRefreshRate)
			{
				memcpy(&pInfoData->sMode, pInfo->displayModeDepthBlockInfo->depthVPBlock[i].depthSwitchInfo,
		                       sizeof(VDSwitchInfoRec));
				pInfoData->sMode.csMode = pDBI->vpPixelSize;
				pInfoData->bMatched = true;
				break;
			}
#undef pDBI
		}		
}

struct DMModeTransRec
{
	wxVideoMode Mode;
	const VDSwitchInfoRec* psMode;
	bool bMatched;
};

pascal void DMModeTransProc (	void* pData,
					  DMListIndexType nIndex,
					  DMDisplayModeListEntryPtr pInfo)
{
	DMModeTransRec* pInfoData = (DMModeTransRec*) pData;

	for(unsigned long i = 0; i < pInfo->displayModeDepthBlockInfo->depthBlockCount; ++i)
		{
#define pDBI pInfo->displayModeDepthBlockInfo->depthVPBlock[i].depthVPBlock
		if (pInfoData->psMode->csData == pInfo->displayModeDepthBlockInfo->depthVPBlock[i].depthSwitchInfo->csData)
			{
			pInfoData->Mode = wxVideoMode((int) pInfo->displayModeResolutionInfo->csHorizontalPixels,
								 (int) pInfo->displayModeResolutionInfo->csVerticalLines,
								 (int) pDBI->vpPixelSize,
								 (int) Fix2Long(pInfo->displayModeResolutionInfo->csRefreshRate) );
			pInfoData->bMatched = true;
			break;
			}
#undef pDBI
		}
}

wxArrayVideoModes
    wxDisplay::GetModes(const wxVideoMode& mode) const
{

    wxArrayVideoModes Modes;

    unsigned long dwDMVer;
    Gestalt(gestaltDisplayMgrVers, (long*) &dwDMVer);

    //Check DM version (for backward compatibility only - 7.5.3+ use 2.0)
    if (dwDMVer >= 0x020000) //version 2?
    {

    	DMListIndexType nNumModes;
    	DMListType pModes;
    	DMDisplayModeListIteratorUPP uppMLI;
    	DisplayIDType nDisplayID;

    	wxASSERT(DMGetDisplayIDByGDevice(m_priv->m_hndl, &nDisplayID, false) == noErr);	
    	//Create a new list...
    	wxASSERT_MSG(DMNewDisplayModeList(nDisplayID, NULL, NULL, &nNumModes, 							&pModes) == noErr, wxT("Could not create a new display mode list") );

    	uppMLI = NewDMDisplayModeListIteratorUPP(DMModeListIteratorProc);
    	wxASSERT(uppMLI);

    	DMModeIteratorRec sModeInfo;
    	sModeInfo.pModes = &Modes;
    	sModeInfo.pMatchMode = &mode;
    	for (DMListIndexType i = 0; i < nNumModes; ++i)
    	{
    	    wxASSERT(DMGetIndexedDisplayModeFromList(pModes, i, NULL,
    					      uppMLI, &sModeInfo) == noErr);
    	}
    	DisposeDMDisplayModeListIteratorUPP(uppMLI);
    	wxASSERT(DMDisposeList(pModes) == noErr);	
    }
    else //DM 1.0, 1.2, 1.x
    {
    	wxLogSysError(wxString::Format(wxT("Display Manager Version %u Not Supported!  Present? %s"),
    				(unsigned int) dwDMVer / 0x10000,
    				(dwDMVer & (1 << gestaltDisplayMgrPresent) ? wxT("Yes") : wxT("No"))  )
    	             );
    }

    return Modes;
}

wxVideoMode wxDisplay::GetCurrentMode() const
{
    unsigned long dwDMVer;
    wxVideoMode RetMode;
    
    Gestalt(gestaltDisplayMgrVers, (long*) &dwDMVer);    
    //Check DM version (for backward compatibility only - 7.5.3+ use 2.0)
    if (dwDMVer >= 0x020000) //version 2?
    {
    	VDSwitchInfoRec sMode; //Note - csMode member also contains the bit depth
    	if (DMGetDisplayMode(m_priv->m_hndl, &sMode) == noErr) 
    	{
    	    DMListIndexType nNumModes;
    	    DMListType pModes;
    		DMDisplayModeListIteratorUPP uppMLI;
    	    DisplayIDType nDisplayID;

    	    wxASSERT(DMGetDisplayIDByGDevice(m_priv->m_hndl, &nDisplayID, false) == noErr);
    	    //Create a new list...
    	    wxASSERT_MSG(DMNewDisplayModeList(nDisplayID, NULL, NULL, &nNumModes, &pModes) == noErr,
    				  wxT("Could not create a new display mode list") );
    		
    		uppMLI = NewDMDisplayModeListIteratorUPP(DMModeTransProc);
    		wxASSERT(uppMLI);

    		DMModeTransRec sModeInfo;
    		sModeInfo.bMatched = false;
    		sModeInfo.psMode = &sMode;
    		for (DMListIndexType i = 0; i < nNumModes; ++i)
    		{
    			wxASSERT(DMGetIndexedDisplayModeFromList(pModes, i, NULL,
    											uppMLI, &sModeInfo) == noErr);

    			if ( sModeInfo.bMatched == true )
    			{
    				RetMode = sModeInfo.Mode;
    				break;
    			}
    		}

    	    DisposeDMDisplayModeListIteratorUPP(uppMLI);
    	    wxASSERT(DMDisposeList(pModes) == noErr);
    	}
    	else //Can't get current mode?
    	{
    		wxLogSysError(wxString::Format(wxT("Couldn't obtain current display mode!!!\ndwDMVer:%u"),
    								(unsigned int) dwDMVer));
    	}
    }
    else //DM ver 1
    {
    	wxLogSysError(wxString::Format(wxT("Display Manager Version %u Not Supported!  Present? %s"),
    				(unsigned int) dwDMVer / 0x10000,
    				(dwDMVer & (1 << gestaltDisplayMgrPresent) ? wxT("Yes") : wxT("No")) )
    	             );
    }
	 
    return RetMode;
}

bool wxDisplay::ChangeMode(const wxVideoMode& mode)
{
    unsigned long dwDMVer;
    Gestalt(gestaltDisplayMgrVers, (long*)&dwDMVer);
    if (GetCount() == 1 || dwDMVer >= 0x020000)
    {
		if (mode == wxDefaultVideoMode)
		{
//#ifndef __DARWIN__
//			Handle hDisplayState;
//			if (DMBeginConfigureDisplays(&hDisplayState) != noErr)
//				{
//				wxLogSysError(wxT("Could not lock display for display mode changing!"));
//				return false;
//				}
//			wxASSERT( DMUseScreenPrefs(true, hDisplayState) == noErr);
//			DMEndConfigureDisplays(hDisplayState);
//			return true;
//#else
			//hmmmmm....
			return true;
//#endif
		}
		
    	//0 & NULL for params 2 & 3 of DMSetVideoMode signal it to use defaults (current mode)
    	//DM 2.0+ doesn't use params 2 & 3 of DMSetDisplayMode
    	//so we have to use this icky structure
    	VDSwitchInfoRec sMode;
    	memset(&sMode, 0, sizeof(VDSwitchInfoRec) );

    	DMListIndexType nNumModes;
    	DMListType pModes;
    	DMDisplayModeListIteratorUPP uppMLI;
    	DisplayIDType nDisplayID;

    	wxASSERT(DMGetDisplayIDByGDevice(m_priv->m_hndl, &nDisplayID, false) == noErr);
    	//Create a new list...
    	wxASSERT_MSG(DMNewDisplayModeList(nDisplayID, NULL, NULL, &nNumModes, &pModes) == noErr,
    			  wxT("Could not create a new display mode list") );

    	uppMLI = NewDMDisplayModeListIteratorUPP(DMModeInfoProc);
    	wxASSERT(uppMLI);

    	DMModeInfoRec sModeInfo;
    	sModeInfo.bMatched = false;
    	sModeInfo.pMode = &mode;
    	unsigned int i;
    	for(i = 0; i < nNumModes; ++i)
    	{
    		wxASSERT(DMGetIndexedDisplayModeFromList(pModes, i, NULL,
    										   uppMLI, &sModeInfo) == noErr);
    		if (sModeInfo.bMatched == true)
    		{
    			sMode = sModeInfo.sMode;
    			break;
    		}
    	}
    	if(i == nNumModes)
    		return false;

    	DisposeDMDisplayModeListIteratorUPP(uppMLI);
    	wxASSERT(DMDisposeList(pModes) == noErr);

    	// For the really paranoid -
    	// 	    unsigned long flags;
    	//      Boolean bok;
    	//     wxASSERT(noErr == DMCheckDisplayMode(m_priv->m_hndl, sMode.csData,
    	//								  sMode.csMode, &flags, NULL, &bok));
    	//     wxASSERT(bok);

    	Handle hDisplayState;
    	if (DMBeginConfigureDisplays(&hDisplayState) != noErr)
    	{
    	    wxLogSysError(wxT("Could not lock display for display mode changing!"));
    	    return false;
    	}

    	unsigned long dwBPP = (unsigned long) mode.bpp;
    	if (DMSetDisplayMode(m_priv->m_hndl, sMode.csData,
    					    (unsigned long*) &(dwBPP), NULL
    					   //(unsigned long) &sMode
    					   , hDisplayState
    					   )  != noErr)
    	{
    		DMEndConfigureDisplays(hDisplayState);
    		wxMessageBox(wxString::Format(wxT("Could not set the display mode")));
            return false;
    	}
    	DMEndConfigureDisplays(hDisplayState);
    }
    else  //DM 1.0, 1.2, 1.x
    {
    	wxLogSysError(wxString::Format(wxT("Monitor gravitation not supported yet.  dwDMVer:%u"),
    				(unsigned int) dwDMVer));
    		return false;
    }
    
    return true;
}

wxDisplay::~wxDisplay()
{
    if ( m_priv )
    {
        delete m_priv;
        m_priv = 0;
    }
}

#endif // wxUSE_DISPLAY
Commit	Line	Data
a536e411 JS	1	/////////////////////////////////////////////////////////////////////////////
	2	// Name: display.cpp
	3	// Purpose: Mac implementation of wxDisplay class
	4	// Author: Brian Victor
1ed1a609	5	// Modified by: Royce Mitchell III & Ryan Norton
a536e411 JS	6	// Created: 06/21/02
	7	// RCS-ID: $Id$
	8	// Copyright: (c) wxWindows team
	9	// Licence: wxWindows licence
	10	/////////////////////////////////////////////////////////////////////////////
	11
	12	#ifdef __GNUG__
	13	#pragma implementation "display.h"
	14	#endif
	15
	16	// For compilers that support precompilation, includes "wx.h".
	17	#include "wx/wxprec.h"
	18
	19	#ifdef __BORLANDC__
	20	#pragma hdrstop
	21	#endif
	22
	23	#if wxUSE_DISPLAY
	24
	25	#ifndef WX_PRECOMP
	26	#include "wx/dynarray.h"
1ed1a609	27	#include "wx/log.h"
a536e411 JS	28	#endif
	29
	30	#ifdef __DARWIN__
	31	#include <Carbon/Carbon.h>
	32	#else
	33	#include <Displays.h>
	34	#include <Quickdraw.h>
1ed1a609	35	#include <Video.h> //for VDSwitchInfoRec
a536e411 JS	36	#endif
	37
	38	#include "wx/display.h"
	39	#include "wx/gdicmn.h"
	40	#include "wx/string.h"
	41
	42	// ----------------------------------------------------------------------------
	43	// private classes
	44	// ----------------------------------------------------------------------------
	45
	46	class wxDisplayMacPriv
	47	{
	48	public:
e40298d5	49	GDHandle m_hndl;
a536e411 JS	50	};
	51
	52	size_t wxDisplayBase::GetCount()
	53	{
	54	GDHandle hndl;
	55	size_t num = 0;
	56	hndl = DMGetFirstScreenDevice(true);
	57	while(hndl)
	58	{
	59	num++;
	60	hndl = DMGetNextScreenDevice(hndl, true);
	61	}
	62	return num;
	63	}
	64
	65	int wxDisplayBase::GetFromPoint(const wxPoint &p)
	66	{
	67	GDHandle hndl;
	68	size_t num = 0;
	69	hndl = DMGetFirstScreenDevice(true);
	70	while(hndl)
	71	{
	72	Rect screenrect = (*hndl)->gdRect;
	73	if (p.x >= screenrect.left &&
	74	p.x <= screenrect.right &&
	75	p.y >= screenrect.top &&
	76	p.y <= screenrect.bottom)
	77	{
	78	return num;
	79	}
	80	num++;
	81	hndl = DMGetNextScreenDevice(hndl, true);
	82	}
	83	return -1;
	84	}
	85
	86	wxDisplay::wxDisplay(size_t index) : wxDisplayBase ( index ),
	87	m_priv ( new wxDisplayMacPriv() )
	88	{
	89	GDHandle hndl;
	90	hndl = DMGetFirstScreenDevice(true);
	91	m_priv->m_hndl = NULL;
	92	while(hndl)
	93	{
	94	if (index == 0)
	95	{
	96	m_priv->m_hndl = hndl;
	97	}
	98	index--;
	99	hndl = DMGetNextScreenDevice(hndl, true);
	100	}
	101	}
	102
	103	wxRect wxDisplay::GetGeometry() const
	104	{
	105	if (!(m_priv)) return wxRect(0, 0, 0, 0);
	106	if (!(m_priv->m_hndl)) return wxRect(0, 0, 0, 0);
	107	Rect screenrect = (*(m_priv->m_hndl))->gdRect;
	108	return wxRect( screenrect.left, screenrect.top,
	109	screenrect.right - screenrect.left, screenrect.bottom - screenrect.top);
	110	}
	111
	112	int wxDisplay::GetDepth() const
	113	{
114	if (!(m_priv)) return 0;
115	if (!(m_priv->m_hndl)) return 0;
116
117	// This cryptic looking code is based on Apple's sample code:
118	// http://developer.apple.com/samplecode/Sample_Code/Graphics_2D/GDevVideo/Gen.cp.htm
1ed1a609 SC	119
	120	//RN - according to the docs
	121	//gdPMap is a bitmap-type representation of the GDevice, and all
	122	//0x0000FFFF does is get the lower 16 bits of pixelSize. However,
	123	//since pixelSize is only 16 bits (a short)...
a536e411 JS	124	return ((((m_priv->m_hndl))->gdPMap)->pixelSize) & 0x0000FFFF;
	125	}
	126
	127	wxString wxDisplay::GetName() const
	128	{
	129	// Macs don't name their displays...
1e1cc1ce DS	130	return wxEmptyString;
	131	}
	132
1ed1a609 SC	133	struct DMModeIteratorRec
	134	{
	135	wxArrayVideoModes* pModes;
	136	const wxVideoMode* pMatchMode;
	137	};
	138
	139	pascal void DMModeListIteratorProc ( void* pData,
	140	DMListIndexType nIndex,
	141	DMDisplayModeListEntryPtr pInfo)
	142	{
	143	DMModeIteratorRec* pInfoData = (DMModeIteratorRec*) pData;
	144
	145	//Note that in testing the refresh rate is always 0 on my ibook - RN
	146	int refresh = (int) Fix2Long(pInfo->displayModeResolutionInfo->csRefreshRate);
	147
	148	for(unsigned long i = 0; i < pInfo->displayModeDepthBlockInfo->depthBlockCount; ++i)
	149	{
	150	#define pDBI pInfo->displayModeDepthBlockInfo->depthVPBlock[i].depthVPBlock
	151
	152	if (wxVideoMode((int) pInfo->displayModeResolutionInfo->csHorizontalPixels,
	153	(int) pInfo->displayModeResolutionInfo->csVerticalLines,
	154	(int) pDBI->vpPixelSize,
	155	refresh).Matches(*pInfoData->pMatchMode) )
	156	{
	157	pInfoData->pModes->Add(wxVideoMode((int) pInfo->displayModeResolutionInfo->csHorizontalPixels,
	158	(int) pInfo->displayModeResolutionInfo->csVerticalLines,
	159	(int) pDBI->vpPixelSize,
	160	refresh));
	161	}
	162	#undef pDBI
	163	}
	164	}
	165
	166	struct DMModeInfoRec
	167	{
	168	const wxVideoMode* pMode;
	169	VDSwitchInfoRec sMode;
	170	bool bMatched;
	171	};
	172
	173	pascal void DMModeInfoProc ( void* pData,
	174	DMListIndexType nIndex,
	175	DMDisplayModeListEntryPtr pInfo)
	176	{
	177	DMModeInfoRec* pInfoData = (DMModeInfoRec*) pData;
	178	Fixed refresh = Long2Fix(pInfoData->pMode->refresh);
	179
	180	for(unsigned long i = 0; i < pInfo->displayModeDepthBlockInfo->depthBlockCount; ++i)
	181	{
	182	#define pDBI pInfo->displayModeDepthBlockInfo->depthVPBlock[i].depthVPBlock
	183	if (pInfoData->pMode->w == (int&) pInfo->displayModeResolutionInfo->csHorizontalPixels &&
	184	pInfoData->pMode->h == (int&) pInfo->displayModeResolutionInfo->csVerticalLines &&
	185	pInfoData->pMode->bpp == (int) pDBI->vpPixelSize &&
	186	refresh == pInfo->displayModeResolutionInfo->csRefreshRate)
	187	{
	188	memcpy(&pInfoData->sMode, pInfo->displayModeDepthBlockInfo->depthVPBlock[i].depthSwitchInfo,
	189	sizeof(VDSwitchInfoRec));
	190	pInfoData->sMode.csMode = pDBI->vpPixelSize;
	191	pInfoData->bMatched = true;
	192	break;
	193	}
	194	#undef pDBI
	195	}
	196	}
197
198	struct DMModeTransRec
199	{
200	wxVideoMode Mode;
201	const VDSwitchInfoRec* psMode;
202	bool bMatched;
203	};
204
205	pascal void DMModeTransProc ( void* pData,
206	DMListIndexType nIndex,
207	DMDisplayModeListEntryPtr pInfo)
208	{
209	DMModeTransRec* pInfoData = (DMModeTransRec*) pData;
210
211	for(unsigned long i = 0; i < pInfo->displayModeDepthBlockInfo->depthBlockCount; ++i)
212	{
213	#define pDBI pInfo->displayModeDepthBlockInfo->depthVPBlock[i].depthVPBlock
214	if (pInfoData->psMode->csData == pInfo->displayModeDepthBlockInfo->depthVPBlock[i].depthSwitchInfo->csData)
215	{
216	pInfoData->Mode = wxVideoMode((int) pInfo->displayModeResolutionInfo->csHorizontalPixels,
217	(int) pInfo->displayModeResolutionInfo->csVerticalLines,
218	(int) pDBI->vpPixelSize,
219	(int) Fix2Long(pInfo->displayModeResolutionInfo->csRefreshRate) );
220	pInfoData->bMatched = true;
221	break;
222	}
223	#undef pDBI
224	}
225	}
226
227	wxArrayVideoModes
1e1cc1ce DS	228	wxDisplay::GetModes(const wxVideoMode& mode) const
1e1cc1ce DS	229	{
1ed1a609 SC	230
	231	wxArrayVideoModes Modes;
	232
	233	unsigned long dwDMVer;
	234	Gestalt(gestaltDisplayMgrVers, (long*) &dwDMVer);
	235
	236	//Check DM version (for backward compatibility only - 7.5.3+ use 2.0)
	237	if (dwDMVer >= 0x020000) //version 2?
	238	{
	239
	240	DMListIndexType nNumModes;
	241	DMListType pModes;
	242	DMDisplayModeListIteratorUPP uppMLI;
	243	DisplayIDType nDisplayID;
	244
	245	wxASSERT(DMGetDisplayIDByGDevice(m_priv->m_hndl, &nDisplayID, false) == noErr);
	246	//Create a new list...
	247	wxASSERT_MSG(DMNewDisplayModeList(nDisplayID, NULL, NULL, &nNumModes, &pModes) == noErr, wxT("Could not create a new display mode list") );
	248
	249	uppMLI = NewDMDisplayModeListIteratorUPP(DMModeListIteratorProc);
	250	wxASSERT(uppMLI);
	251
	252	DMModeIteratorRec sModeInfo;
	253	sModeInfo.pModes = &Modes;
	254	sModeInfo.pMatchMode = &mode;
	255	for (DMListIndexType i = 0; i < nNumModes; ++i)
	256	{
	257	wxASSERT(DMGetIndexedDisplayModeFromList(pModes, i, NULL,
	258	uppMLI, &sModeInfo) == noErr);
	259	}
	260	DisposeDMDisplayModeListIteratorUPP(uppMLI);
	261	wxASSERT(DMDisposeList(pModes) == noErr);
	262	}
	263	else //DM 1.0, 1.2, 1.x
	264	{
	265	wxLogSysError(wxString::Format(wxT("Display Manager Version %u Not Supported! Present? %s"),
	266	(unsigned int) dwDMVer / 0x10000,
	267	(dwDMVer & (1 << gestaltDisplayMgrPresent) ? wxT("Yes") : wxT("No")) )
	268	);
	269	}
	270
	271	return Modes;
1e1cc1ce DS	272	}
	273
	274	wxVideoMode wxDisplay::GetCurrentMode() const
	275	{
1ed1a609 SC	276	unsigned long dwDMVer;
	277	wxVideoMode RetMode;
	278
	279	Gestalt(gestaltDisplayMgrVers, (long*) &dwDMVer);
	280	//Check DM version (for backward compatibility only - 7.5.3+ use 2.0)
	281	if (dwDMVer >= 0x020000) //version 2?
	282	{
	283	VDSwitchInfoRec sMode; //Note - csMode member also contains the bit depth
	284	if (DMGetDisplayMode(m_priv->m_hndl, &sMode) == noErr)
	285	{
	286	DMListIndexType nNumModes;
	287	DMListType pModes;
	288	DMDisplayModeListIteratorUPP uppMLI;
	289	DisplayIDType nDisplayID;
	290
	291	wxASSERT(DMGetDisplayIDByGDevice(m_priv->m_hndl, &nDisplayID, false) == noErr);
	292	//Create a new list...
	293	wxASSERT_MSG(DMNewDisplayModeList(nDisplayID, NULL, NULL, &nNumModes, &pModes) == noErr,
	294	wxT("Could not create a new display mode list") );
	295
	296	uppMLI = NewDMDisplayModeListIteratorUPP(DMModeTransProc);
	297	wxASSERT(uppMLI);
	298
	299	DMModeTransRec sModeInfo;
	300	sModeInfo.bMatched = false;
	301	sModeInfo.psMode = &sMode;
	302	for (DMListIndexType i = 0; i < nNumModes; ++i)
	303	{
	304	wxASSERT(DMGetIndexedDisplayModeFromList(pModes, i, NULL,
	305	uppMLI, &sModeInfo) == noErr);
	306
	307	if ( sModeInfo.bMatched == true )
	308	{
	309	RetMode = sModeInfo.Mode;
	310	break;
	311	}
	312	}
	313
	314	DisposeDMDisplayModeListIteratorUPP(uppMLI);
	315	wxASSERT(DMDisposeList(pModes) == noErr);
	316	}
	317	else //Can't get current mode?
	318	{
	319	wxLogSysError(wxString::Format(wxT("Couldn't obtain current display mode!!!\ndwDMVer:%u"),
	320	(unsigned int) dwDMVer));
	321	}
	322	}
	323	else //DM ver 1
	324	{
	325	wxLogSysError(wxString::Format(wxT("Display Manager Version %u Not Supported! Present? %s"),
	326	(unsigned int) dwDMVer / 0x10000,
	327	(dwDMVer & (1 << gestaltDisplayMgrPresent) ? wxT("Yes") : wxT("No")) )
	328	);
	329	}
	330
	331	return RetMode;
1e1cc1ce DS	332	}
	333
	334	bool wxDisplay::ChangeMode(const wxVideoMode& mode)
	335	{
1ed1a609 SC	336	unsigned long dwDMVer;
	337	Gestalt(gestaltDisplayMgrVers, (long*)&dwDMVer);
	338	if (GetCount() == 1 \|\| dwDMVer >= 0x020000)
	339	{
	340	if (mode == wxDefaultVideoMode)
	341	{
	342	//#ifndef __DARWIN__
	343	// Handle hDisplayState;
	344	// if (DMBeginConfigureDisplays(&hDisplayState) != noErr)
	345	// {
	346	// wxLogSysError(wxT("Could not lock display for display mode changing!"));
	347	// return false;
	348	// }
	349	// wxASSERT( DMUseScreenPrefs(true, hDisplayState) == noErr);
	350	// DMEndConfigureDisplays(hDisplayState);
	351	// return true;
	352	//#else
	353	//hmmmmm....
	354	return true;
	355	//#endif
	356	}
	357
	358	//0 & NULL for params 2 & 3 of DMSetVideoMode signal it to use defaults (current mode)
	359	//DM 2.0+ doesn't use params 2 & 3 of DMSetDisplayMode
	360	//so we have to use this icky structure
	361	VDSwitchInfoRec sMode;
	362	memset(&sMode, 0, sizeof(VDSwitchInfoRec) );
	363
	364	DMListIndexType nNumModes;
	365	DMListType pModes;
	366	DMDisplayModeListIteratorUPP uppMLI;
	367	DisplayIDType nDisplayID;
	368
	369	wxASSERT(DMGetDisplayIDByGDevice(m_priv->m_hndl, &nDisplayID, false) == noErr);
	370	//Create a new list...
	371	wxASSERT_MSG(DMNewDisplayModeList(nDisplayID, NULL, NULL, &nNumModes, &pModes) == noErr,
	372	wxT("Could not create a new display mode list") );
	373
	374	uppMLI = NewDMDisplayModeListIteratorUPP(DMModeInfoProc);
	375	wxASSERT(uppMLI);
	376
	377	DMModeInfoRec sModeInfo;
	378	sModeInfo.bMatched = false;
	379	sModeInfo.pMode = &mode;
	380	unsigned int i;
	381	for(i = 0; i < nNumModes; ++i)
	382	{
	383	wxASSERT(DMGetIndexedDisplayModeFromList(pModes, i, NULL,
	384	uppMLI, &sModeInfo) == noErr);
	385	if (sModeInfo.bMatched == true)
	386	{
	387	sMode = sModeInfo.sMode;
	388	break;
	389	}
	390	}
	391	if(i == nNumModes)
	392	return false;
	393
	394	DisposeDMDisplayModeListIteratorUPP(uppMLI);
	395	wxASSERT(DMDisposeList(pModes) == noErr);
	396
	397	// For the really paranoid -
	398	// unsigned long flags;
	399	// Boolean bok;
400	// wxASSERT(noErr == DMCheckDisplayMode(m_priv->m_hndl, sMode.csData,
401	// sMode.csMode, &flags, NULL, &bok));
402	// wxASSERT(bok);
403
404	Handle hDisplayState;
405	if (DMBeginConfigureDisplays(&hDisplayState) != noErr)
406	{
407	wxLogSysError(wxT("Could not lock display for display mode changing!"));
408	return false;
409	}
410
411	unsigned long dwBPP = (unsigned long) mode.bpp;
412	if (DMSetDisplayMode(m_priv->m_hndl, sMode.csData,
413	(unsigned long*) &(dwBPP), NULL
414	//(unsigned long) &sMode
415	, hDisplayState
416	) != noErr)
417	{
418	DMEndConfigureDisplays(hDisplayState);
419	wxMessageBox(wxString::Format(wxT("Could not set the display mode")));
420	return false;
421	}
422	DMEndConfigureDisplays(hDisplayState);
423	}
424	else //DM 1.0, 1.2, 1.x
425	{
426	wxLogSysError(wxString::Format(wxT("Monitor gravitation not supported yet. dwDMVer:%u"),
427	(unsigned int) dwDMVer));
428	return false;
429	}
430
431	return true;
a536e411 JS	432	}
	433
	434	wxDisplay::~wxDisplay()
	435	{
	436	if ( m_priv )
	437	{
	438	delete m_priv;
	439	m_priv = 0;
	440	}
	441	}
	442
	443	#endif // wxUSE_DISPLAY